Below is a list of Sister Bay WI zip codes. For your research we have also included Sister Bay Area Code, Time Zone, UTC and the local Door County FIPS Code. Each Sister Bay Wisconsin zip code has a center Longitude / Latitude point (the Sister Bay center is -87.123901367188 / 45.186500549316). For your convenience we have also indicated if that zip code in Sister Bay observes Daylight Savings time.